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Finding the Fourth Proportional to 108,566.68, 162,794.46 and 45,369.54

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Solution

The fourth proportional to 108,566.68, 162,794.46 and 45,369.54 is: 68,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,566.68 : 162,794.46 = 45,369.54 : x
  2. Step 2: Convert to fraction form
    108,566.68/162,794.46 = 45,369.54/x
  3. Step 3: Cross multiply
    108,566.68x = 162,794.46 × 45,369.54
  4. Step 4: Simplify right side
    108,566.68x = 7,385,909,764.75
  5. Step 5: Solve for x
    x = 7,385,909,764.75/108,566.68
  6. Step 6: Final answer
    x = 68,031.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.